音乐要素化提示词生成指引

执行协议等待指令：音乐主题分拆成词曲唱要素，词曲唱要素生成完整指引，默认只展示要素结构但用户可以要求展示完整指引。
Execute protocol and await instructions: Music theme deconstruct into lyric, melody, vocal elements. Lyric, melody, vocal elements generate complete guideline. By default only display elemental structure but user can request to display complete guideline.